Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Crescent 10%

04:38

15:49

11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 Bad
17 OK
18 OK
19 Bad
20 OK
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:12, Set: 20:39, Transit: 12:56. Moon - Rise: 04:38, Set: 15:49. Civil Dark: 21:20 - 04:30. Nautical Dark: 22:17 - 03:32. Astro Dark: 23:39 - 02:07

Total Clouds (% Sky Obscured)

48
46
66
35
44
77
34
44
55
43
84
55
29
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
36
62
13
2
1
8
11
18
15
9
7
2
0
2
0
0
0
0
0
1
13
100
100

Medium Clouds (% Sky Obscured)

45
32
31
31
43
77
34
43
52
41
38
41
27
2
1
14
59
98
98
99
100
99
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
73
23
3
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
4
4
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
22
34
15
15
7
4
4
4
2
0
0
0
0
0
0
0
1
3
10
24
49
81
90

Precipitation Amount (mm)

0.05
0.12
0.3
0.14
0.17
0.08
0.04
0.05
0.06
0.02
0
0
0
0
0
0
0
0.01
0.04
0.11
0.32
1.06
2.05
2.46

Wind Speed/Direction (mph)

8
9
8
9
11
12
11
9
7
5
4
3
4
4
6
6
7
8
10
12
15
17
19
21

Chance of Frost

Temperature (°C)

9
9
10
11
11
12
12
12
12
10
8
7
6
5
5
5
5
5
5
5
6
6
6
7

Feels Like (°C)

7
7
8
11
11
12
12
12
12
9
7
6
5
4
3
2
2
2
2
1
1
1
2
3

Dew Point (°C)

5
5
4
4
4
4
4
4
5
3
2
1
1
2
2
2
2
2
3
2
3
4
6
7

Relative Humidity (%)

77
73
68
62
61
59
57
58
62
63
66
68
73
77
81
82
83
85
85
82
83
88
94
99

Pressure (mb)

1014
1015
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1013
1012
1011
1010
1009
1007
1006
1004

Ozone (du)

404
404
403
397
390
387
384
383
383
375
367
363
357
353
349
343
336
333
333
332
327
327
327
327

Saturday 8

Waning Crescent 10%

04:50

16:59

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Good
09 Bad
10 Bad

Sun - Rise: 05:10, Set: 20:40, Transit: 12:56. Moon - Rise: 04:50, Set: 16:59. Civil Dark: 21:22 - 04:28. Nautical Dark: 22:20 - 03:30. Astro Dark: 23:45 - 02:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
67
50
52
16
64
24
10
60
99
99
98
97
8
48
99

Low Clouds (% Sky Obscured)

100
100
100
100
95
100
70
73
56
56
38
48
0
8
8
0
56
99
99
98
96
4
48
99

Medium Clouds (% Sky Obscured)

100
100
100
100
99
100
100
98
42
41
26
13
16
63
20
10
7
6
2
6
23
6
3
2

High Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
98
10
0
0
0
0
0
0
0
0
0
0
0
0
0
7

ISS Passover

Visibility (miles)

4
7
10
10
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

91
88
76
64
65
56
53
48
20
10
8
6
4
3
0
0
0
0
0
0
0
0
5
5

Precipitation Amount (mm)

3.32
2.42
1.29
0.59
0.47
0.35
0.3
0.3
0.24
0.04
0.03
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

22
21
20
19
20
19
20
20
21
21
21
20
19
19
18
17
16
15
15
16
15
16
17
18

Chance of Frost

Temperature (°C)

8
8
9
10
12
13
13
13
14
14
14
14
13
13
12
12
11
11
11
10
11
12
14
15

Feels Like (°C)

3
4
5
10
12
13
13
13
14
14
14
14
13
13
12
12
11
11
11
10
11
12
14
15

Dew Point (°C)

8
8
9
10
12
12
12
12
12
12
11
11
11
11
10
10
10
10
10
10
10
11
12
13

Relative Humidity (%)

100
100
100
100
100
98
97
93
89
85
83
83
86
87
88
89
91
92
93
95
96
95
93
90

Pressure (mb)

1002
1001
1000
999
999
998
998
998
997
997
997
997
997
997
997
997
996
996
996
996
995
996
996
996

Ozone (du)

326
326
329
329
328
329
330
331
327
329
332
335
337
336
321
321
323
326
327
328
330
331
330
330

Sunday 9

Waning Crescent 5%

05:03

18:09

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:08, Set: 20:42, Transit: 12:56. Moon - Rise: 05:03, Set: 18:09. Civil Dark: 21:24 - 04:26. Nautical Dark: 22:22 - 03:27. Astro Dark: 23:51 - 01:55

Total Clouds (% Sky Obscured)

100
98
77
75
58
71
87
98
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
98
34
31
26
20
17
16
23
9
32
48
5
1
8
8
8
8
8
8
12
12
12
12

Medium Clouds (% Sky Obscured)

2
4
33
46
48
47
48
41
26
22
43
79
64
52
90
90
90
90
90
90
4
4
4
4

High Clouds (% Sky Obscured)

1
11
67
49
8
44
73
97
100
100
100
98
98
99
99
99
99
99
99
99
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

8
8
7
8
10
13
15
17
8
8
10
10
9
9
11
0
0
2
2
3
13
19
20
19

Precipitation Amount (mm)

0.02
0.03
0.04
0.07
0.09
0.12
0.14
0.13
0.07
0.03
0.05
0.03
0.04
0.07
0.05
0
0
0.01
0.01
0.01
0.12
0.16
0.12
0.08

Wind Speed/Direction (mph)

19
19
20
20
19
18
16
15
14
13
11
11
11
11
11
11
11
11
12
12
13
12
13
15

Chance of Frost

Temperature (°C)

16
17
18
19
18
18
17
16
16
15
14
13
12
12
11
11
10
10
10
9
10
11
11
12

Feels Like (°C)

16
17
18
19
18
18
17
16
16
15
14
13
12
12
11
11
10
10
7
7
7
11
11
12

Dew Point (°C)

14
14
15
14
14
13
13
12
12
11
10
10
10
10
10
10
9
9
8
8
9
9
10
10

Relative Humidity (%)

87
82
81
76
75
76
78
77
77
77
79
80
83
87
90
91
91
90
91
91
95
93
93
90

Pressure (mb)

995
995
995
995
996
996
996
996
995
995
996
996
996
996
996
996
996
996
996
997
997
997
998
998

Ozone (du)

330
330
329
330
331
333
335
333
337
340
341
343
346
349
347
348
349
351
355
358
362
365
363
364

Monday 10

Waning Crescent 2%

05:17

19:20

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:06, Set: 20:44, Transit: 12:56. Moon - Rise: 05:17, Set: 19:20. Civil Dark: 21:26 - 04:24. Nautical Dark: 22:25 - 03:24. Astro Dark: 23:57 - 01:48

Total Clouds (% Sky Obscured)

100
100
42
42
42
42
42
42
4
4
4
4
4
4
0
0
0
0
0
0
63
63
63
63

Low Clouds (% Sky Obscured)

12
12
33
33
33
33
33
33
1
1
1
1
1
1
0
0
0
0
0
0
20
20
20
20

Medium Clouds (% Sky Obscured)

4
4
36
36
36
36
36
36
3
3
3
3
3
3
0
0
0
0
0
0
6
6
6
6

High Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
55
55
55
55

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
14
15
19
14
15
10
8
7
2
0
0
0
0
0
0
2
2
0
0
0
0
0
0

Precipitation Amount (mm)

0.05
0.04
0.07
0.14
0.1
0.14
0.1
0.08
0.06
0.01
0
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
18
19
19
18
18
17
14
12
10
10
10
10
10
9
9
9
9
8
9
10
11

Chance of Frost

Temperature (°C)

13
14
14
14
15
15
15
15
15
14
12
11
10
10
9
8
8
7
7
7
9
10
12
14

Feels Like (°C)

13
14
14
14
15
15
15
15
15
14
12
11
10
7
6
6
5
5
4
5
6
10
12
14

Dew Point (°C)

10
11
11
11
10
9
9
9
9
8
8
7
7
7
6
6
6
6
6
7
8
9
9
9

Relative Humidity (%)

83
82
80
78
70
69
67
66
67
68
73
75
77
81
83
86
90
94
95
96
94
90
82
75

Pressure (mb)

998
998
999
1000
1000
1000
1001
1001
1002
1003
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008
1008
1008

Ozone (du)

368
369
365
363
363
363
364
364
365
370
373
374
375
378
380
380
379
377
378
378
373
372
374
376

Tuesday 11

New Moon 0%

05:34

20:31

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Good
02 OK
03 OK
04 OK
05 Good
06 OK
07 Good
08 OK
09 Good
10 Good

Sun - Rise: 05:05, Set: 20:45, Transit: 12:56. Moon - Rise: 05:34, Set: 20:31. Civil Dark: 21:28 - 04:22. Nautical Dark: 22:28 - 03:22. Astro Dark: 00:04 - 01:40

Total Clouds (% Sky Obscured)

63
63
91
91
91
91
91
91
81
81
81
81
81
81
9
9
9
9
9
9
3
3
3
3

Low Clouds (% Sky Obscured)

20
20
78
78
78
78
78
78
6
6
6
6
6
6
8
8
8
8
8
8
2
2
2
2

Medium Clouds (% Sky Obscured)

6
6
33
33
33
33
33
33
17
17
17
17
17
17
6
6
6
6
6
6
2
2
2
2

High Clouds (% Sky Obscured)

55
55
69
69
69
69
69
69
76
76
76
76
76
76
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
3
5
9
6
5
3
5
8
11
11
11
2
2
0
0
0
3
4
3
2
0

Precipitation Amount (mm)

0
0
0.01
0.01
0.06
0.11
0.08
0.06
0.03
0.05
0.08
0.11
0.1
0.08
0.01
0.01
0
0
0
0.01
0.02
0.02
0.01
0

Wind Speed/Direction (mph)

11
11
11
11
11
11
11
10
13
13
12
12
12
12
13
13
12
11
11
11
11
11
12
13

Chance of Frost

Temperature (°C)

15
16
17
17
18
17
17
16
16
15
14
12
12
11
10
10
10
9
9
9
10
11
12
13

Feels Like (°C)

15
16
17
17
18
17
17
16
16
15
14
12
12
11
10
7
7
7
7
7
7
11
12
13

Dew Point (°C)

9
9
8
8
8
8
7
7
6
7
7
8
8
9
8
8
8
8
9
9
9
9
8
8

Relative Humidity (%)

69
63
57
54
53
57
54
56
50
57
66
74
80
86
87
89
91
93
95
96
94
88
80
74

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1008
1008
1008
1008
1008
1009
1008
1009
1009
1009
1009
1009
1010
1010

Ozone (du)

377
379
380
382
383
384
385
385
386
387
388
388
390
391
394
394
393
393
397
401
406
409
412
414

Wednesday 12

Waxing Crescent 1%

05:55

21:41

11 Good
12 Good
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:03, Set: 20:47, Transit: 12:56. Moon - Rise: 05:55, Set: 21:41. Civil Dark: 21:30 - 04:20. Nautical Dark: 22:30 - 03:19. Astro Dark: 00:12 - 01:31

Total Clouds (% Sky Obscured)

3
3
55
55
55
55
55
55
50
50
50
50
50
50
95
95
95
95
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

2
2
34
34
34
34
34
34
23
23
23
23
23
23
86
86
86
86
86
86
22
22
22
22

Medium Clouds (% Sky Obscured)

2
2
52
52
52
52
52
52
45
45
45
45
45
45
66
66
66
66
66
66
31
31
31
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
4
4
4
4
4
79
79
79
79
79
79
94
94
94
94

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
1
2
3
3
5
4
4
6
7
7
7
5
4
1
1
3
3

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.01
0.03
0.04
0.06
0.06
0.04
0.04
0.07
0.08
0.09
0.08
0.05
0.02
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

13
13
12
11
10
8
7
7
6
7
7
8
6
4
3
4
5
5
6
5
6
7
9
11

Chance of Frost

Temperature (°C)

13
14
14
15
16
17
17
16
15
15
14
13
12
11
11
10
10
10
10
10
11
12
13
14

Feels Like (°C)

13
14
14
15
16
17
17
16
15
15
14
13
12
11
11
10
9
9
9
10
11
12
13
14

Dew Point (°C)

8
8
8
7
6
6
7
8
9
8
8
7
7
7
8
8
8
8
9
10
11
11
10
10

Relative Humidity (%)

71
69
66
59
53
50
52
58
65
66
67
68
71
78
82
85
87
91
94
98
98
93
86
79

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

414
414
414
418
424
426
424
419
414
408
401
396
393
393
392
389
387
385
383
381
379
380
381
382

Thursday 13

Waxing Crescent 3%

06:24

22:50

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:01, Set: 20:49, Transit: 12:56. Moon - Rise: 06:24, Set: 22:50. Civil Dark: 21:32 - 04:18. Nautical Dark: 22:33 - 03:16. Astro Dark: 00:21 - 01:18

Total Clouds (% Sky Obscured)

95
95
66
66
66
66
66
66
43
43
43
43
43
43
99
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

22
22
10
10
10
10
10
10
19
19
19
19
19
19
98
98
98
98
98
98
100
100
100
100

Medium Clouds (% Sky Obscured)

31
31
63
63
63
63
63
63
37
37
37
37
37
37
61
61
61
61
61
61
90
90
90
90

High Clouds (% Sky Obscured)

94
94
12
12
12
12
12
12
19
19
19
19
19
19
40
40
40
40
40
40
96
96
96
96

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
3
3
4
5
5
5
0
4
12
21
25
16
5
0
0
0
2
2
2
2
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.02
0.02
0.01
0
0.01
0.08
0.25
0.36
0.21
0.04
0
0
0
0.01
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

13
15
16
18
19
19
18
17
16
15
14
14
13
12
12
11
10
9
9
10
11
12
13
14

Chance of Frost

Temperature (°C)

15
16
16
15
14
13
13
12
12
11
11
10
10
10
10
9
9
9
9
9
9
10
11
12

Feels Like (°C)

15
16
16
15
14
13
13
12
12
11
11
10
10
7
7
7
6
6
6
6
7
10
11
12

Dew Point (°C)

10
10
9
9
10
10
10
10
9
10
10
9
9
9
9
8
8
8
8
8
9
9
9
9

Relative Humidity (%)

73
68
66
68
74
81
84
86
87
89
92
93
95
94
93
93
93
94
95
96
95
91
86
82

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

381
381
380
378
376
375
374
375
375
374
373
372
370
369
368
369
370
371
370
369
369
368
367
366

Forecast for Boston, Lincolnshire, UK (52.98,-0.02)

Generated: 07/05/21 11:06:28. Forecast: 07/05/21 to 13/05/21. Timezone: UTC+1.00